alleygorithm
player impact + groups
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alleygorithm
player impact and winning groups

NBA analytics grounded in win probability, player impact, and the groups that have actually driven winning.

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WPA-powered analytics from play-by-play data
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Pair•Current season•Through 2026-03-19
Julian Champagnie
Victor Wembanyama
SAS logo

Julian Champagnie + Victor Wembanyama

Over 100 shared possessions, this pair has added about +0.019 wins after shrinkage. That is 100th percentile on 4,334 shared possessions, which currently reads as a high confidence signal. This sample is sturdy enough to treat as a real rotation signal.

Rank #4|100th percentile|high confidence|4,334 poss
League percentile99.9th
0th (worst)25th50th (median)75th100th (best)
050100
Better than 100% of pairs. Rank #4 in this window, with 4,334 shared possessions and high confidence.
Impact / 100
+0.019
Surplus
-0.007
Grade
100%
high confidence · grade A+
Context
This sample is sturdy enough to treat as a real rotation signal.
The member average is +0.052, while the group's expected baseline is +0.026.
Surplus read
It is trailing the member baseline by -0.007.
Member profiles
Julian Champagnie
SAS logo
SAS
+0.058
100th pctl
8,214 posshighOff +0.052 / Def +0.029
Victor Wembanyama
SAS logo
SAS
+0.046
99th pctl
6,651 posshighOff +0.028 / Def +0.039